20796615

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 22288185

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 177, 189, 295, 315, 373, 413, 531, 885, 945, 1119, 1239, 1593, 1865, 2065, 2611, 2655, 3357, 3717, 5595, 6195, 7833, 7965, 10071, 11151, 13055, 16785, 18585, 22007, 23499, 39165, 50355, 55755, 66021, 70497, 110035, 117495, 154049, 198063, 330105, 352485, 462147, 594189, 770245, 990315, 1386441, 2310735, 2970945, 4159323, 6932205, 20796615]

約数ペア:

[(1, 20796615), (3, 6932205), (5, 4159323), (7, 2970945), (9, 2310735), (15, 1386441), (21, 990315), (27, 770245), (35, 594189), (45, 462147), (59, 352485), (63, 330105), (105, 198063), (135, 154049), (177, 117495), (189, 110035), (295, 70497), (315, 66021), (373, 55755), (413, 50355), (531, 39165), (885, 23499), (945, 22007), (1119, 18585), (1239, 16785), (1593, 13055), (1865, 11151), (2065, 10071), (2611, 7965), (2655, 7833), (3357, 6195), (3717, 5595)]